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UC-NRLF 


B    3    TEb    MhS 


A 
NUMERICAL  CLASSIFICATION 

OF 

PHOTOGRAPHY 


ISSUED  BY  THE 

RESEARCH  LABORATORY 

EASTMAN   KODAK  COMPANY 

ROCHESTER.  N.  Y.  SEPTEMBER.  1916 


ItMAKt 
SCHOOi 


NUMERICAL  CLASSIFICATION 

OF 

PHOTOGRAPHY 


A   Numerical   Classification 
of   Photography 

Introduction 

This  system  of  classification  is  based  on  the  fact  that  any  photographic 
operation  involves  four  separate  considerations: 

(1)  The  operation  is  done  with  a  purpose  of  achieving  a  certain 
result  and  can  be  considered  from  the  point  of  view  of  that  result.  This 
will  be  referred  to  as  the  "purpose"  of  the  operation.  For  example,  an 
operation  can  be  undertaken  with  a  view  to  obtaining  a  portrait,  or  with  a 
view  to  obtaining  an  enlargement  of  some  kind,  or  with  a  view  to  obtain- 
ing a  photographic  record  or  a  photomicrograph ;  all  these  will  be  involved 
in  the  view  of  the  operation  from  the  point  of  view  of  purpose. 

(2)  The  operation  will  involve  some  form  of  photographic  material; 
it  will, indeed,  always  involve  two  classes  of  photographic  material;  namely, 
a  sensitive  material  and  some  apparatus,  but  since  in  classification  these 
are  almost  mutually  exclusive,  we  may  consider  that  we  take  a  portrait, 
for  instance,  upon  a  plate  or  upon  a  film,  or  with  a  studio  camera,  or  by 
means  of  flash-light  apparatus.  Thus,  we  have  to  consider  as  well  as  the 
purpose  the  "material"  that  is  employed. 

(3)  There  is  involved  the  operation  itself.  Thus,  in  order  to  obtain 
a  portrait  negative  (the  purpose)  by  means  of  a  flash-light  apparatus  (the 
material)  we  must  conduct  a  series  of  operations;  we  must  expose,  we 
must  develop,  and  we  must  print  the  negative,  and  each  of  these  operations 
will  be  subdivided,  so  that  we  can  consider  the  purpose,  the  apparatus  and 
the  nature  of  the  operation  itself. 

(4)  Finally,  we  may  perform  operations  in  some  cases  by  any  one 
of  several  photographic  processes.  For  instance,  we  may  make  a  print  by 
means  of  a  silver  process  or  by  means  of  a  bichromate  process,  and 
these  again  have  subdivisions. 

We  must  therefore  consider  a  photographic  operation  as  involving 
(1)  the  purpose,  (2)  the  material,  (3)  the  operation  itself,  and  (4)  the 
photographic  process. 

It  may  not  be  necessary  to  state  more  than  one  of  these  four  possi- 
bilities in  order  to  classify  a  given  article  or  patent.  A  patent  for  a 
camera,  for  instance,  merely  refers  to  a  material,  and  the  operation  to  be 
performed  and  the  purpose  of  the  operation  are  either  obvious  or  of  no 
imix)rtance;  so,  most  photographic  operations  are  performed  by  means  of 
the  gelatino-silver  process,  and  the  process  may  usually  be  omitted  as 
obvious.  In  color  photography,  however,  the  process  is  usually  the  im- 
portant thing  and  the  operation  or  purpose  is  relatively  of  no  importance. 

In  order  to  classify  completely  a  photographic  operation,  therefore,  we 
must  be  able  to  use  four  sets  of  symbols  and  we  must  be  able  to  distinguish 
whether  these  symbols  refer  to  purpose,   material,   operation  or  process. 

346670 


.'"  •  -  '!  The  Purpose 

In  this  classification  the  purposes  are  classified  by  a  series  of  numbers 
starting  with  zero;  the  prefix  of  zero  to  a  number,  therefore,  indicates  that 
the  symbol  stands  for  the  purpose  of  an  operation. 

The  Material 

The  materials  involved  in  the  operation  are  referred  to  by  numbers 
only,  and  if  a  compound  number  is  not  preceded  by  zero  it  refers  to  a 
material.  Thus,  031  is  portraiture;  1213  is  flat  film;  therefore,  a  reference 
to  the  use  of  flat  film  for  portraiture  may  be  indexed  as  031-1213,  the 
order  of  the  symbols  indicating  the  way  in  which  it  should  be  indexed,  so 
that  this  reference  would  be  indexed  under  "Portraiture — Use  of  Flat  Film 
for, "whereas  if  indexed  1213-031  it  would  be  indexed  under  "Flat  Film — 
Use  in  Portraiture." 

The  Operation 

The  Operation  is  indicated  by  a  letter  followed  by  a  number.  The 
operations  are  as  follows: 

A     Manufacture  of  any  material  or  apparatus. 

B  "  "  support  for  sensitized  material. 

C  "  "  emulsion  for        "  " 

D    0])eration  of  Coating  emulsion  on  support. 

E  "  "  Packing  and  finishing  a  sensitized  material  for  the  market. 

F  "  "  Exposing  a  material  in  a  camera. 

G  "  "  Developing  a  material. 

H  "  "  Eeducing,  Intensifying  or  otherwise  chemically  finishing  a 

negative. 

J  "  "  Printing  from  a  negative. 

L  "  "  Retouching,  ^.Working  up,  Preparing,  Spotting,    Color- 

ing, etc. 

N  "  "  Mounting  and  Framing  a  photograph. 

Initial  M — Macliine  used  for  manufacture ;  e.  g. ,  MDll  means  a  plate  coating 
machine.  (M  machine,  D  coating,  11  photographic 
plates. ) 

Thus,  if  we  refer  to  toning  bromide  prints,  print  toning  is  J8  and 
bromide  paper,  the  material,  is  137,  so  that  we  can  classify  this  as  J8-137, 
where  it  is  classified  under  Toning,  or  as  137-J8,  where  it  is  classified  under 
Bromide  Prints. 

The  Process 

The  Process  is  indicated  by  a  number  which  is  placed  in  the  denomin- 
ator of  a  fraction;  thus,  the  making  of  lantern  slides,  the  obtaining  of  a 
lantern  slide  being  the  purpose,  is  045  and  the  making  of  lantern  slides  by 
the  Albumen  process  will  be  045/65,  silver  processes  being  6  and  the  Al- 


bumen  process  65.  If  no  process  is  indicated,  it  is  taken  for  granted  tiiat  the 
process  is  the  gelatino-silver  process.  Thus,  we  see  that  an  operation  can 
be  completely  expressed  by  the  four  sets  of  symbols,  though  in  practice  it 
is  very  rarely  necessary  to  index  with  all  four  symbols,  it  usually  being 
necessary  to  use  only  one  or  two;  these  one  or  two,  however,  may  belong 
to  any  of  the  four  groups. 

Additions  to  the  Classification 

Many  gaps  have  been  left  in  the  numbers,  and  as  new  references 
requiring  numbers  come  to  our  attention  they  will  be  placed  in  the  best 
position  possible  and  the  numbers  assigned  will  be  published  in  the 
Monthly  Abstract  Bulletin. 

Special  Classes 

There  are  a  few  classes  coming  under  the  heading  of  Purposes  for 
which  it  is  desirable  to  make  special  provision. 

Color  photography  is  classified  as  042,  but  in  view  of  the  constant 
reference  to  it  this  is  shortened  to  the  abbreviation  K,  so  that  K  simply 
stands  for  042  and  not  for  an  operation.  Thus,  KG3  would  be  the  use  of 
time  development  in  color  photographj"^,  G3  being  time  development. 
The  specific  color  processes  are  represented  by  K/1,  K/2,  K/3,  K/4  and  K/5. 

X-ray  photography  is  class  099,  but  this  so  frequently  occurs  that  it 
is  shortened  to  X,  X  standing  for  the  symbol  099.  X-Ray  photography 
involves  a  class  of  apparatus  which  is  not  used  in  any  other  branch  of  pho- 
tography and  this  is  classified  under  Materials  as  Class  4  of  Materials. 

Motion  photography  or  cinematography  differs  in  its  classification 
from  the  rest  of  photography  in  that  the  operations  required  in  it,  being 
special,  are  classified  under  its  own  heading  of  06  and  not  with  a  separate 
operation  symbol.  Thus,  negative  developing  in  general  is  G,  but  06  being 
motion  photography,  developing  motion  picture  negatives  is  classified  as 
0632  without  using  the  G  symbol,  although  appending  this  would 
not  confuse  the  classification.  Motion  picture  work  also  involves  a  special 
class  of  apparatus  and  this  is  classified  among  materials  as  Class  3,  all 
materials  starting  zvith  3  representing  apparatus  required  for  motion  picture 
photography,  as  materials  starting  with  2  will  be  materials  for  ordinary 
photography  and  materials  starting  with  4,  juaterials  for  X-Ray  photography . 

Photo-engraving  operations  are  also  represented  by  the  number  under 
which  photo-engraving  is  classified  and  do  not  use  a  separate  operation 
symbol.  This  is  done  in  consequence  of  the  simplicity  of  the  classification 
of  photo-engraving  and  also  in  that  it  requires  different  operations  from 
those  employed  in  ordinary  photography.  Photo-engraving  is  classified  under 
07,  photo-engraving  processes  being  distinguished  as  071,  072  and  073, 
which  are  in  their  turn  subdivided  and  the  operation  shown  by  a  fifth 
cipher,  the  operations  numbering  from  1  to  9. 


Use  of  the  Classification 

While  the  numerical  classification  can  be  used  in  connection  with  any 
sj'Stem  of  references,  it  is  specially  designed  for  use  in  connection  with  the 
Monthly  Abstract  Bulletin.  In  the  Bulletin  each  abstract  or  patent  reference 
which  has  reference  to  photography  has  its  classification  number  appended. 
If  these  are  cut  out  and  pasted  on  cards  each  month  (for  which  two  copies 
of  the  Bulletin  will  be  required) ,  these  cards  can  be  filed  in  the  numerical 
order  of  the  classification  and  will  form  a  permanent  card  index  to  photo- 
graphic literature,  the  labor  involved  being  only  that  of  cutting  out  and 
filing  the  abstracts.  If  an  index  to  the  whole  of  photography  is  not 
required  only  the  required  abstracts  need  be  filed ;  e.  g.,  a  file  of  all  abstracts 
beginning  with  K  will  form  an  index  to  Color  Photography,  one  of  all 
abstracts  beginning  with  21  an  index  to  Cameras.  As  new  classes  are 
found  necessary  they  will  be  inserted  and  the  numbers  assigned  will  be 
published  in  the  Abstract  Bulletin.  The  following  guide  cards  will  be  found 
useful  at  the  start,  and  intermediate  ones  may  be  added  from  the  Classifi- 
cation as  may  be  found  necessary:  — 


A 

05 

131 

164 

2624 

37 

B 

055 

132 

165 

2626 

38 

T) 

056 

136 

166 

2629 

K 

E 

057 

137 

167 

263 

KOI 

F 

058 

14 

1674 

2631 

K02 

G 

06 

141 

168 

264 

K04 

H 

06(5 

1411 

169 

2645 

K05 

J 

067 

1412 

2 

265 

K06 

I. 

068 

1413 

21 

2653 

K07 

M 

07 

142 

2100 

2658 

K/1 

0 

07001 

1421 

2103 

266 

K/2 

01 

07005 

15 

213 

2668 

K/21 

oil 

071 

151 

215 

267 

K/3 

012 

0713 

1512 

217 

27 

K/32 

013 

072 

1513 

218 

28 

K/4 

014 

073 

1515 

22 

29 

K/43 

015 

0733 

1516 

223 

3 

K/8 

OIG 

0734 

1517 

224 

31 

Kl 

017 

08 

152 

23 

3100 

Kll 

018 

082 

153 

24 

32 

K2 

019 

09 

1531 

241 

3200 

K22 

02 

/61 

154 

242 

3202 

K31 

023 

/9 

155 

243 

3205 

X 

024 

1 

156 

25 

3208 

XOl 

027 

11 

157 

252 

321 

X0116 

03 

12 

158 

254 

322 

X12 

04 

121 

159 

255 

324 

X4 

044 

1211 

16 

26 

33 

X42 

046 

1212 

161 

262 

34 

X43 

0461 

1215 

162 

2621 

35 

X44 

047 

13 

163 

2623 

36 

Operation  Symbols 


A  indicates  the  manufacture  of  any  article. 

E.  g. ,  A3  means  the  manufacture  of  cinematographic  apparatus. 
B  indicates  the  manufacture  of  the  support  for  sensitized  material. 

E.  g.,  B122  means  the  manufacture  of  acetate  film  support. 
C  indicates  the  manufacture  of  the  emulsion  of  a  sensitized  material. 

E.  g.,  C135  means  the  manufacture  of  a  printing-out  emulsion. 

6 


D  indicates  the  operation  of  coating  the  emulsion  on  the  support. 
E  indicates  the  packing  and  finishing  of  a  sensitized  material  for  the  market. 
E.  g.,  E1211  means  the  spooling  of  roll  film. 


F 

J8 

Print  Toning. 

Fl 

Composing  and  Focusing. 

J81 

Toning  by   Metals.      (Gold, 

F2 

Camera    Loading    with  Ma- 

Platinum, etc.) 

terial. 

J82 

Toning  by  Metallic  Salts;  e.g. 

F3 

Use  of  Special  Lenses. 

Ferrocyanides. 

F4 

Use  of  Special  Shutters. 

J83 

Toning  by  Various  Forms  of 

F5 

Determination  of  Exposure. 

Silver  Deposits. 

F6 

Making  the  Exposure. 

J84 

Toning  by  Sulphur,  Selenium, 
Tellurium  Compounds. 

G    Indicates  Developing,  etc. 

J87 

Toning  by  Colored  Oxidation 

Gl 

Compounding  Solutions. 

Products. 

G2 

Tentative  Development. 

J88 

Toning  by  Dye  Deposition. 

G3 

Time  Development. 

J9 

Print  Drying. 

G4 

Stand  Development. 

G5 

Other  Special  Methods  of  De- 

L   Indicates  Working  Up,  etc. 

velopment. 

LI 

Retouching. 

G6 

Fixing. 

L2 

Blocking  Out  and    Working 

G7 

Washing. 

Up  Negatives. 

G8 

Eeversing    Negative   to   Posi- 

L3 

Spotting. 

tive. 

L4 

Working  Up  Prints. 

G9 

Making  Duplicate  Negatives. 

L5 

Coloring. 

L6 

Surfacing,   Glazing,   Varnish- 

H   Indicates  After  Treatment  of  Negative. 

ing,  etc..  Prints. 

HI 

Reducing. 

L7 

Restoring  Faded  Prints. 

H2 

Intensifymg. 

N 

H3 

Drying. 

Nl 

Mounting. 

H4 

Stripping. 

N2 

Ho 

Varnishing. 

N3 

H6 

Titling. 

N4 

J    Indicates  Printing. 

N5 

Framing. 

Jl 

Daylight  Printuig. 

J2 

Printing  OutbyArtificialLight 

P 

Recovery    of    Wastes    and 

J3 

Developing  Out  Printing. 

Economies. 

J4 

Developing  and  Fixing  Prints. 

PI 

Recovery  of  Silver  Wastes. 

J6 

P2 

Recovery  of  Gold  and  Platinum 

J6 

Print  Washing. 

Waiites. 

J7 

P5 

Recovery  of  Chemicals. 

Purpose 

Symbols 

01 

The  Theory  of  Photography. 

019 

Photographic  Optics. 

Oil 

Photo-Electricity. 

012 

Photo-Sensitive  Materials. 

02 

A.mateur  Photography. 

013 

Theory  of  Printing  Out  Images . 

021 

Landscape  Work. 

014 

Latent    Image    and    Theory  of 

022 

Portrait  and  Figure  Work. 

Exposure,  Resolving  Power. 

023 

Indoor  Work. 

015 

H.  &  D.  Theory  and  Sensitive- 

024 

Hand  Camera  Work. 

ness  of  Materials. 

025 

Photographic  Art. 

016 

Practical  Sensitometry. 

017 

Theory  of  Development 

03          ] 

Professional  Photography. 

018 

Color  Sensitiveness. 

031 

Portraiture. 

0311 


0312 

0313 

0314 


032 
033 


0335 


034 


Studio  Design  and  Business ; 

e.  g.,  "Design  of  Portrait 
Studios." 

"Card  Filing  Systems  for 
Portrait  Photographers." 

Reception  Room  Arrange- 
ments and  Work. 

Home  Portraiture. 

Posing  and  Lighting. 

Commercial  Photography. 
Press  Photography. 

Photographic  Copyright. 
' '  Movmg ' '  Portraits. 


04  Photographic  Operations  Con- 

sidered in   Light   of  the  Re- 
sult Produced. 

041  Defects. 

042  Color  Photography.     (K) 

(See  Page  14) 

043  Stereoscopic  Photography. 

044  Photo-Sculpture. 

045  Lantern  Slide  Making. 

046  Enlarging. 

047  Photographic  Enamels. 

048  Photographic  Decorations. 

049  Transparencies. 

05  Photographic   Operations  Involv- 

ing Special  Apparatus  or  Con- 
ditions. 
Wide  Angle  and   Panoramic 

Work. 
Telephoto  Work. 
Architectural  Work. 
High  Speed  Photography. 

Photography  with  Color  Sensi- 
tive Materials. 

0561  Orthochromatic  Photo- 

graphy. 

0562  Color   Contrast   Photo- 

graphy. 

057  Copying, 

058  Artificial  Light  Photography. 

0581  Flash-Light  AVork. 

0582  "Night  Photography." 

0583  Portraiture    by  Artificial 

Light. 

06  Motion  Photography. 

061  Studio  Arrangements. 

062  Stage  Arrangements  and  Act- 

ing. 


061 

052 
053 
054 
055 
066 


07 


063 

Taking. 

0631 

Camera  Work. 

0632 

Developing. 

0633 

Fixing. 

0634 

After  Processes. 

0635 

Washing. 

0636 

Drying. 

064 

Positive  Making. 

0641 

Perforating. 

0642 

Printing. 

0643 

Developing. 

0644 

Fixing. 

0645 

Toning  and  Tinting. 

0646 

Washing. 

0647 

Drying. 

0648 

Stenciling  and  Coloring. 

0649 

Titling  and  Assembling, 

Varnishing,  Cleaning,  etc. 

065 

Film  Sale  and  Hire  Arrange- 

ments. 

066 

Theatre  Arrangements. 

067 

Projecting. 

068 

Stereo  Cinematography. 

069 

Combination  Cine  and  Phono- 

graphic IMethods. 

1          Photo-Engraving. 

07001 

Preparation  of  the  Original. 

07002  Camera  Operation. 

07003 

Dark  Room  Operations. 

07004 

Preparation   of   the  Printing 

Surface. 

07005  Transference  of  the  Image  to 

the  Printing  Surface. 

07006  Etching. 

07007  Re-Etching  and  Finishing. 

07008  Routing  and  Mounting. 

07009  Proving  and  Printing. 

071  Intaglio  Processes. 

0711  Bitumen  and  Early  Processes. 

0712  Hand  Photogravure. 

0713  Machine  Photogravure. 

0714  Steel  Engraving. 

0715  Intaglio  Half-Tone. 

0716  Woodburytype. 

072  Surface  Processes. 

0721  Lithography. 

0722  Photohthography. 

0723  Off"set. 

0724  Collotype. 

0725  Decalcomanie. 

0726  Graph  Processes. 


073    Relief  Processes. 

0731  Wood  Engraving. 

0732  Line  Etching. 

0733  Half-Tone.    (Screen) 

0734  Half -Tone.  (Grain) 

0735  Electrotyping. 


074 


Mixed  Processes. 


08  Applied  Photography. 

081  Documentary  Photography. 

082  Legal    and   Criminal   Photo- 

graphy. 

083  Military  Photography. 

084  Photographic  Surveying. 

085  Record  Photography. 

086  Photographic  Recording, 

(Meter  Reading,  etc. ) 

087  Phototelegraphy. 

088  "Spirit  Photography." 

089  Miscellaneous  Applied  Photo- 

graphy. 

09  Scientific  Photography. 

091  Curve  Recording  Methods. 


092 

Position   Recording  Methods. 

093 

Photographic  Photometry. 

094 

Photomicrography. 

0941 

Very  Low  Power  Work. 

0942 

Sections. 

0943 

Dark  Field  Illumination. 

0944 

Bacteria. 

0945 

Metallography. 

0947 

Microphotography. 

095 

Spectrography. 

096 

ABtronomical  Photography. 

0961 

Astrographic  Determina- 

tions. 

0962 

Stellar  Spectroscopy. 

0963 

Heliography. 

0964 

Spectroheliography . 

0965 

Radial  Velocity  Determina- 

tions. 

097 

INIedical  and  Surgical  Photo- 

graphy. 

098 

Nature  Photography. 

099 

Roentgen  Photography.     (X) 

(See  Page  15) 


Process  Symbols 


/6  Silver  Processes. 

/61  Daguerreotype. 

/62  Sensitized  Paper  Processes 
(Calotype,  etc. ) 

/63  Wet  Collodion. 

/64  Collodion  Emulsion. 

/65  Albumen  Processes. 

/66  Gelatino-Bromide   Emulsion. 

/67  Unwashed  Emulsions  for  De- 
velopment. 

/68  Printing  Out  Silver  Processes. 

/7  Iron  Processes. 

/71  Blue  Print. 

/72  Iron  Gallate. 

/73  Platinum. 


/8 


/74 

Kallitype. 

/75 

Platinum  Silver. 

i 

Bichromate  Processes. 

/81 

Chromate  Alone  or  with  Other 

Metals. 

/82 

Carbon. 

/83 

Ozotype. 

/84 

Ozobrome. 

/85 

Pinatype. 

/86 

Fish  Glue. 

/87 

Powder. 

/88 

Gum  Bichromate. 

/89 

Oil,  Bromoil  and  Oil  Transfer. 

/9  Processes  Involving   Other  Light 

Sensitive  Substances. 


Material  Symbols 


11 


Materials. 

114 

Panchromatic. 

Sensitized  Dry  Plates. 

115 

Non-Halation. 

Ill            Ordinary. 

116 

X-ray. 

112           Lantern. 

117 

Ferrotype. 

113           Orthochromatic. 

118 

Procew. 

12  Sensitized  Film. 

121  Nitrate  Film. 

1211  Roll  Film. 

1212  Cine  Film. 

1213  Flat  Film. 

1214  X-Ray  Film. 
1216    Film  Packs. 

122  Acetate  Film. 

123  Viscose  Film. 

124  Other  Cellulose  Product  Film. 

125  Cellulose  Formate. 

126  Gelatine  Base  Film. 

127  Stripping  Fibn  on  Paper. 

13  Sensitized  Printing  Papers. 

131  Iron  Processes. 

1311  Platinum  Paper. 

1312  Iron  Silver. 

1313  Ferroprussiate. 

132  Bichromate  Processes. 

1321  Carbon. 

1322  Pinatype. 

1323  Ozobrome. 

1324  Fish  Glue. 

133  Albumen  Paper. 

134  Collodion  Paper. 

135  Printing  Out  Papers. 

1355    Self-Toning    Printing    Out 
Papers. 

136  Gaslight  Developing  Out  Papers. 

137  Bromide. 
1373    Photostat. 

1375    Transfer  Bromide. 

138  Bleach  Out  Paper. 

14  Raw  Materials. 

141  Support  Materials. 

1411  Cotton  and  Wood  Pulp. 

1412  Paper  (Photographic). 

1413  Glass. 

1414  Baryta. 

142  Emulsion  Materials. 

1421  Gelatine. 

1422  Casein. 

1423  Collodion. 

1424  Albumen. 

143  Packing  Materials. 

1431  Paper  (Packing). 

1432  Millboard. 

1433  Tinfoil. 

15  Chemicals. 

151        Used  in  Making  Film  Base. 


1511  Acids. 

1512  Cellulose  Nitrate. 

1513  Cellulose  Acetate   and  Other 

Fatty  Esters. 

1514  Other  Cellulose  Derivatives. 

1515  Viscose. 

1516  Solvents. 

1517  Fillers. 
1618  Stabilizers. 

162        Used  in  Making  Emulsions. 

1521  Silver  Salts. 

1522  Bromides. 

1523  Chlorides. 

1524  Iodides. 

1525  Added  Chemicals. 

1526  Hardeners. 

1527  Preservatives. 

1528  Coating  Additions. 

153  Developing  Chemicals. 

1531  Reducing  Agents. 

15311  Iron  Salts. 

15312  Other   Inorganic   Developing 

Agents. 

15313  Phenols. 

15314  Amino  Phenols. 

15315  Di-  and  Triamines. 

15316  Reducing     Agents     Giving 

Colored  Oxidation  Products 
(e.  g.  Indoxyl). 

1532  Preservatives. 

1533  Accelerators. 

1534  Restrainers. 

154  Fixing  &  Hardening  Chemicals. 

1541  Fixing  Chemicals. 

1542  Preservatives  for  Fixing  Bath. 

1543  Hardeners. 

1544  Stain  Removers. 

165        Intensifying    and    Reducing 
Chemicals. 

1551    Intensifiers. 

1555    Reducers. 
156        Toning  Chemicals. 

1561  Bleaching  Chemicals. 

1562  Metallic  Compounds  of  Base 

Metals. 

1563  Redeveloping  Chemicals. 
1565    Chemicals   for    POP    Toning 

Baths. 
157 

1571    Bichromates. 
1672    Gums. 

1573  Albumen. 

1574  Fish  Glue. 


10 


1575  Metagelatine. 

1576  Iron  Salts. 

1579    Platinum  and  Platinum  Salts. 

158  Dyes. 

1581  Sensitizers. 

1582  Filter  Dyes. 

1583  Pinatype  Dyes. 

1584  Spirit  Soluble  Dyes. 

159  Sundry  Chemicals. 
1592    Flash-Light  Powders. 

16         Photographic  Solutions. 

161  Film  Base  Solutions  (Dopes). 

1612  Nitrate  Dope. 

1613  Acetate  Dope. 

162  Emulsions. 

163  Developing  Solutions. 

164  Fixing  Solutions. 

165  Intensifiers  and  Reducers 

1651  Mercury  Intensifiers. 

1652  Silver 

1653  Chromium       " 

1654  Other 

1655  Cutting  Reducers  (Farmer's, 

etc.) 

1656  True  Scale  Reducers  ( Perman- 


1667 


1662 

1663 
1665 


ganate,  etc.) 
Flattening  Reducers  (Persul- 
phate, etc. ) 

166  Toning  Solutions. 
1661    Bleaching  Baths. 

Metallic  Toning  Baths  (Base 

Metals). 
Sulphiding  Baths. 
POP  Toning  Baths. 

167  Bichromate  Solutions. 

1671  Bichromate  Sensitizers. 

1672  Ozotype  Solutions. 

1673  Ozobrome       " 

1674  Bromoil 

168  Dye  Solutions. 

1681    Dye  Sensitizing  Baths. 

169  Varnishes  and  Pastes. 
1691    Negative  Varnishes. 

Retouching  Varnishes. 
Cellulose  Varnishes. 
Starch  Pastes. 
Dextrin  Pastes. 
Mucilages. 
Opaques. 

Glazing   and    Cleaning   Solu- 
tions. 


1692 
1693 
1696 
1696 
1697 
1698 
1699 


Apparatus 


21 


211 


2115 
2116 


212 
213 


2131 
2132 


214 
215 


2151 


2152 


2153 

2154 

2155 
2156 


Taking  Cameras. 
Studio  Cameras. 
Cirkut  Camerati. 
Multiple  Cameras. 
Field  Cameras. 
Plate  Hand  Cameras. 
Reflex  Cameras. 
Box  Cameras. 
Film  Pack  Cameras. 
Roll  Film  Cameras. 
Roll  Film   Cameras    fitted 
with  Focusing  Attachment 
or  Plate  Holder. 
Film   Cameras  with  Auto- 
matic Changing  of  Film  or 
Lock  for  Shutter  until  Film 
is  Changed. 
Film  Cameras  with  Attach- 
ment for  Writing  on  Film. 
Film   Cameras   in   Pistol 
Form  or  Other  Disguises. 
Panoramic  Film   Cameras. 
Cameras  using    Cinemato- 
graph   Film    for    Single 
Pictures. 


216 


2166 


217 


2171 
2172 
2174 
2176 
2177 


218 
219 


219S 


210 


2101 
2102 

2103 

2104 
2105 
2106 

2iorr 


Photo-Engraving  Cameras. 
Photo-Engraving  Copy 
Boards. 
Copying  and  Enlarging. 
Copying  Cameras. 
'  'Photostat  Cameras. ' ' 
Daylight  Enlarging  Cameras 
Easels. 

Copy  Holders. 
Stereoscopic  Cameras. 
Miscellaneous  Cameras. 
Cameras  in  which  Develop- 
ing and  Fixing  can  be  Per- 
formed, other  than '  'Photo- 
stats, "      "Automatic' 
Cameras. 
Camera  Parts. 
Base  Boards. 
Focusing  Devices. 

(Racks) 
Fronts  and  Lens  Carrying 
Boards. 
Bellows. 
Backs. 

FocusingHoodSjScreena.etc. 
Vignetters. 


2108  Multiplying  Devices.  (For 
Taking  Several  Pictures  on 
One  Plate. ) 

22  Viewing  and  Projecting  Apparatus. 

221  Optical  Lanterns. 

222  Enlargers. 

223  Accessories  to  Enlargers  and 

Lanterns. 

2231  Light  Sources. 

2232  Lamp  Houses. 

2233  Condensers. 

2234  Slide  Holders. 

2235  Slide  Changing  Devices. 

2236  Negative  Holders  for  En- 

largers. 

2237  Material   Holders   for   En- 

largers. 

224  Projection  Screens. 

225  Viewing  Apparatus. 

227  Stereoscopes. 

228  Stereo  Projectors. 


26 


Camera  Accessories. 


261 


23 


231 
232 


233 


24 


241 
242 
243 
244 

246 
247 

248 


25 


251 
262 
253 
254 


255 
2 
256 
267 
268 
269 


Artificial   Light  Apparatus  and 
Arrangements. 
Flash-Light. 
Electric. 

2321  Arc  Lamps. 

2322  Filament  Lamps. 
Gas  Lamps. 

Printing  Apparatus. 

Printing  Machines  for  DOP 
Printing  Frames. 
Masks  and  Border  Negatives. 
Paper  Storage  Boxes  and  Cabi- 
nets. 
Finishing  Materials  and  Colore 
Blue  Print  Printing  Machines. 
Printing  Frames   for   Photo- 
Engraving. 

Developing  Apparatus. 

Developing  Accessories. 
Plate  Tanks. 
Continuous  Machines. 
Fibn  Tanks. 

Roll  Fihn  Tanks. 

Film  Pack  Tanks. 

Cut  Fihn  Holders. 
Dark  Room  Lamps. 

Safelights. 
Washers  for  Plates  and  Films. 
Print  Washers. 
Negative  Drying   Apparatus. 
Portable  Dark  Cabinets. 


2541 
2542 
2543 
5 
2556 


262 


2611 
2612 
2613 
2614 
2616 
2618 
2 

2621 
2622 
2623 
2624 
2626 
2629 


268 


264 


265 


2631 
2632 

2633 
2634 
2635 
2636 
2637 
2638 
2639 
i 
2645 

2651 
2652 
2653 
2654 
2655 
2656 
2657 
2658 

2659 


266 


2661 
2662 
2663 
2664 

2668 


267 


268 


2681 


Stands. 

Studio  Stands. 

Folding  Tripods. 

Metal  Tripods. 

Miscellaneous  Supports. 

Camera  Fastenings. 

Photo-Engraving  Stands. 
Shutters. 

Studio  Shutters. 

Roller  Blind  Shutters. 

Diaphragm  Shutters. 

Focal  Plane  Shutters. 

Shutter  Operators. 

Iris  Diaphragms. 

Lenses. 

Single  Lenses. 

Single  Cemented  Elements. 
(Meniscus  Achromata.) 

Symmetrical  Doublets. 

Anastigmat  Lenses. 

Process  Lenses. 

Wide  Angle  Lenses. 

Telephoto  Lenses. 

Portrait  Lenses. 

Projection  Lenses. 
View  Finders. 

Focusing  Finders. 
Material  Holders. 

Plate  Holders. 

Magazines. 

Film  Spools. 

Roll  Holders. 

Film  Packs. 

Film  Pack  Adapters. 

Cut  Film  Holders. 

Daylight    Loading    Holder 
for  Single  Plates  or  Films. 

Material  Holders  in  Which 
Development  can  be  Per- 
formed. (Combined  Ma- 
terial Holders  and  Develop- 
ing Tanks. ) 
Filters. 

Orthochromatic  Filters. 

Graded  Filters. 

Contrast  Filters. 

Compensating  Filters. 

Filter  Holders. 
Telemeters  and  FocusingScales 

(For  Focusing  Finders  see 

2645.) 
Exposure    Reckoners    and 

Meters. 

Exposure  Tables. 


12 


2682  Light  Measuring   Photo- 

meters. 

2683  Actinometers. 
269           Camera  Cases. 

27  Studio  Sundries. 

271  Studio  Furniture. 

272  "      Backgrounds. 

273  "      Reflectors. 

274  "      Filing  Sundries. 

275  Retouching  Sundries. 

28  Mounting  Sundries. 

281  Trimming  Machines. 

282  "         Knives  and  Shapes. 

283  Mounts. 


2835 

Albums. 

284 
285 
286 

Mounting  Pastes  and  Tiseuee. 
Mounting  Machines. 
Frames. 

287 
288 
289 

Framing  Sundries. 
Transparency  Holders. 
Dispatching    and   Packing 
Sundries. 

29  Miscellaneous  Materials. 

291  Sensitoinetric  Apparatus. 

2911  Standard  Light  Sources. 

2912  Sensitometers. 

2913  Sensitometric  Tablets. 

2914  Developing  Thermostats. 
2916        Photometers. 


3  Cinematograph  Apparatus 


31 


Taking  Cameras. 

312  Ordinary  Cameras. 

313  Hand  Cameras. 

315  "Home    Cinematograph" 

Cameras. 
317  Plate  Cinematograph  Cameras 

319  Miscellaneous  Cameras. 
310        Camera  Parts. 

3101  Feeding  Devices. 

3102  Gates. 

3103  Shutters. 

3104  Film  Boxes. 
3106    Lens  Holders. 

3108  Windups. 

3109  Anti-Static  Devices. 
32             Projectors. 

321  Intermittent  Projectors. 

322  Continuous  Projectors. 

323  Projectors  with  Speaking  At- 

tachment. 

324  Projection  Screens. 

325  "Home     Cinematograph" 

Projectors. 

326  Projectors    for   Stereoscopic 

Projection. 

327  Plate  Projectors. 

320  Projector  Parts. 

3201  Feeding  Devices. 

3202  Gates. 

3203  Shutters. 

3204  Reels  and  Magazines. 

3205  Condensers  and  Illuminating 

Systems. 

3206  Projection  Systems. 

3207  Arcs. 

3208  Windups. 

3209  Safety  Devices. 


33  Perforators. 

34  Cine  Printing  Apparatus. 

341  Step  Printers. 

342  Continuous  Printers. 

345  Projection  Printers. 

346  Printers  for  Very  Insensitive 

Materials  (Print  Out). 

35  Cine  Developing  Apparatus. 

351  Reels. 

352  Tanks. 

353  Continuous  Machines. 

354  Racks. 

356  Washing  Apparatus. 

358  Drying  Wheels  and  Racks. 

36  Camera  Accessories. 
361  Camera  Stands. 

363  Lenses. 

3631  Standard  Lenses. 

3632  Special  Speed  Lenses. 
3634 

3639    Projection  Lenses. 

364  Finders. 

37  Cine  Stage  Fittings. 

371  Scenery. 

372  Accessories. 

374  Lighting  Arrangements. 

38  Finishing  Apparatus  (Stencils, 

Toning,  etc. ) 

383  Stencil  Coloring  Machines. 

384  Varnishing  Machines. 

386  Joining  Devices. 

387  Cleaning  Machines. 

388  Rewinding  Machines. 


13 


042  (K)  General   Color  Photography. 

KOI 

Theory  of  Color  Photography. 

K02 

Amateur  Work  in  Color  Photog- 

raphy. 

K031 

Color  Portraiture. 

K043 

Stereoscopic  Color  Photography. 

K058 

Use  of  Artificial  Light  in  Color 

Photography. 

K06 

Color  Cinematography. 

K062 

The  Design  of  Stages,  etc.,  for 

Color  Cinematography. 

K067 

Color  Cine  Projection. 

K08 

Applied   Color  Photography. 

K09 

Color  Applied  to  Scientific  Pho- 

tography. 

K094 

Color  Photomicrographs. 

K 

Color  Photography 

K  is  used  as  a  prefix  to  any  of  the  classes  of  photography  in  place  of 
042  and  signifies  that  the  class  so  designated  is  considered  as  applicable  to 
color  photography.  Thus,  we  get  the  following  specially  applicable  numbers : 

K/52   Direct  (Seebeck)  Process. 

K/53   Heliochrome  Dispersion  Process. 

K/56  Multicolor  Methods. 
K/6     Silver  Processes  in  Color  Photogra- 
phy. 

K/64:   Collodion  Emulsion  Processes  of 
Color  Photography. 
K/7     Iron  Processes  of  Color  Photography 
K/8     Bichromate  Processes  of  Color  Pho- 
tography. 

K/83   Color  Carbon  Methods. 

K/84   Color  Ozobrome  Methods. 

K/85   Pinatype  Methods. 
K/9     Other    Light    Sensitive   Materials. 

K/93   Bleach-out  Process. 

K/94    Pinachromy. 

K/95   Primuline  Methods. 
Kl  Materials  for  Color  Photography. 

K114  Panchromatic  Plates. 

K1212     Panchromatic  Cine  Fihn. 

K1321     Carbon  Tissue  f  o  r  Color  Work . 

K1322     Pinatype  Plates. 

Ivl38   Bleach  Out  Paper. 

K158    Dyes  for  Color  Photography. 

K1583     Pinatype  Dyes. 

K1673     Ozobrome  Bleaching  Baths. 
K2  Apparatus  for  Color  Work. 

K21     Color  Cameras. 

K211   Studio  Cameras. 

K2114     Sliding  Back  Cameras. 

K2115     Moving  Mirror  Cameras. 

K2116     One  Exposure  Mirror  Cameras. 

K2117     Prism  Cameras. 

K213   Hand  Cameras  (Plate)  for  Color 
Work. 

K218   Color  Stereoscopic  Cameras. 

K22     Color  Projectors. 

K225   Kromskops. 

K263   lenses  for  Color  Work. 

K266   Filters  for  Color  Work. 

K2664     Compensating  Filters. 

K2665     Color  Taking  Filters. 

K2666     Color  Projection  Filters. 
K3     Apparatus  for  Color  Cinematography 

K31     Cine  Color  Cameras. 

K32     Cine  Color  Projectors. 

K363   Cine  Lenses  for  Color  Work . 

14 


Processes  of  Color  Photography. 

K/1     Interference  Processes. 
K/2     Additive  Processes. 
K/21    Additive  Projection  in  Triple 

Lantern. 
K/22   Subjective   Additive   Processes 

(Kromskop). 
K/23   Cinema    Additive    Projection 

Simultaneously. 
K/24   Cinema  Additive   Projection  by 

Persistence  of  Vision. 
K/3     Screen  Unit  Processes. 
K/31    Regular  Line. 
K/32   Regular  Dot  or  Pattern. 
K/33   Irregular  Grain. 
K/34  Cinema  Screen  Laiit  Processes. 
K/36   Screen  Unit  Paper  Processes . 
K/37   Methods  of  Registering  Screen 

Unit  Plates. 
K/4     Subtractive  Processes. 
K/41   Superposed  Transparencies. 
K/42   Superposed  Films  on  Opaque 

Support  (Paper). 
K/43   Subtractive   Cinema  Processes. 
K/44   Multiple  Color  Prints  Contained 

in  One  Layer  (e.g. ,  Imbibition 

Processes). 
K/45   Subtractive  Prints  from  Screen 

Plates. 
K/5 
K/51   Lippmann  Process. 


X 

Radiography 

X  is  used  as  a  prefix  to  any  of  the  classes  of  photography  in  place  of 
099  to  indicate  that  the  class  so  designated  is  considered  as  applied  to 
Radiography.     Thus,  we  get:  — 

099  (X)  Radiographic  Photography. 

XF6      X-Ray  Exposing. 

XG       X-Ray  Developing. 

XOl      Theory  of  Action  of  X-Rays  on 
Sensitive  Materials. 

X043     Stereoscopic  Radiography. 

X06       X-Ray  Cinematography. 

X097     X-Rays  in  Surgery  and  Medicine 

X0971  Localizing  Foreign  Bodies. 

X0972  Examination  of  Fractures. 

X0973  Greneral  Diagnosis  of  Pathologi- 
cal Conditions. 

X0974  X-Ray  Treatment. 

X116    X-Ray  Plates. 

X12       X-Ray  Film. 

X13       X-Ray  Paper. 
X4  X-Ray  Apparatus  and  Sundries. 

X41  Apparatus  for  the  Greneration  of 
X-Rays. 

X411     Transformers. 

X412     Static  Machines. 

X413     Induction  Coils. 

X414     Interrupters. 

X415     High  Tension  Rectifiers. 


X416    Tubes. 
X417     Tube  Stands. 
X42  Apparatus  for  the  Use  of  X-Rays. 
X421     Protective  Shields,  etc. 
X-Ray  Couches. 
Plate  and  Film  Holders. 
Intensifying  Screens. 
Fluoroscopes    and    Fluorescent 
Screens. 
X43  Apparatus   for  the  Measurement 
of  X-Rays. 
Current    Measuring    Instru- 
ments. 
Potential  Measuring  Instru- 
ments. 
Hardness   Measuring  Instru- 
ments. 
Quantity  Measuring  Instru- 
ments. 
X-Ray  Spectrometers. 
X44  Sundry  Apparatus. 
X441     X-Ray   Negative  Illuminatoi-s. 
X442     X-Ray  Stereoscopes. 
X443     X-Ray  Localizmg  De\  ices. 


X422 
X423 
X424 
X425 


X431 


X432 


X433 


X434 


X43o 


u 


Alphabetical  Index 


Accelerators  for  Developing 

Acetate,  Cellulose 

Acetate  Dope      .  -  - 

Acetate  Film       ... 

Acids       .  -  -  - 

Actinoineters       -  -  - 

Adapters,  Film  Pack 

Additive  Cinema  Color  Projec- 
tion by  Persistence  of  Vision 

Additive  Cinema  Color  Projec- 
tion Simultaneously 

Additive  Color  Projection  in 
Triple  Lantern 

Additive  Process  of  Color  Photo- 
graphy 

Additive  Subjective  Process  of 
Color  Photography  (Kromskop) 

After  Processes  on  Cine  Nega- 
tives     -  -  -  - 

Albumen  ,  .  _ 

Albumen  for  Emulsions 

Albumen  Paper 

Albumen  Processes 

Albums    -  -  -  - 

Amateur  Photography 

Amateur  Work  in  Color  Photo- 
graphy 

Aminophenols  as  Reducing 
Agents  in  Developing 

Anastigmat  Lenses 

Apparatus  ... 

Applied  Color  Photography 

Applied  Photography     - 

Applied  Photography,  Miscel- 
laneous ... 

Architectural  Work 

Arc  Lamps  -  _  . 

Arcs  used  in  Projecting  Cine- 
matographs     -  -  . 

Artificial  Light  Apparatus  and 
Arrangements 

Artificial  Light  Photography    - 

Artificial  Light  Printing — Print 
Out  Printing    -  -  . 

Artificial  Light  used  in  Color 
Photography    -  -  - 

Art  Photography 

Assembling  Cinematograph  Pos- 
itives   -  -  .  . 

Astrographic  Determinations    - 

Astronomical  Photography 


1533 

Backgrounds,  Studio 

272 

1513 

Backs  of  Cameras 

2105 

1613 

Baryta     .            -            -            - 

1414 

122 

Baseboards  for  Cameras 

2101 

1511 

Bellows  for  Cameras 

2104 

2683 

Bichromate  Color  Photography 

2666 

Processes 

K/8 

Bichromate  Papers 

132 

K/24 

Bichromate  Processes     - 

/8 

Bichromates        -            -            - 

1571 

K/23 

Bichromate  Solutions     - 
Bitumen    and  Early   Processes 

167 

K/21 

of  Photo-Engraving    - 

0711 

Bleaching  Baths 

1661 

K/2 

Bleaching  Chemicals 

1561 

Bleach  Out  Paper 

138 

K/22 

Bleach   Out   Paper   for   Color 

Photography 

K138 

06^4 

Bleach  Out  Process 

K/93 

1573 

Blocking  Out  Negatives 

L2 

1424 

Blue  Print  Printing   Machines 

247 

133 

/65 

Blue  Print  Process 

/71 

Border  Negatives  and  Masks 

2835 

used  in  Printing 

243 

02 

Bromide  Chemicals 

1522 

Bromide  Paper 

137 

K02 

Bromoil,  Oil,  and  Oil  Transfer 

Processes 

/89 

15314 

Bromoil  Solutions 

1674 

2634 

2 

Cabinets   and   Paper   Storage 

K08 

Boxes               ... 

244 

08 

Calotype  Process 

/62 

Camera  Accessories 

26 

089 

Camera  Backs    -           -           - 

2105 

053 

Camera  Cases     -           -           - 

269 

2321 

Camera  Fastenings 

2616 

Camera  Fronts 

2103 

3207 

Camera   Operations  in   Photo- 

Engraving       ... 

07002 

23 

Camera  Parts      .            -            - 

210 

058 

Camera  Parts,  Cine 

310 

Cameras              .           .           - 

21 

J2 

Automatic  Cameras    - 

2193 

Box  Plate  Hand  Cameras 

2132 

K058 

Cine  Cameras 

31 

025 

Cine  Color  Cameras    - 

K31 

Cine  Hand  Cameras   - 

313 

0649 

Cirkut  Cameras 

2115 

0961 

Color  Cameras 

K21 

096 

Copying  Cameras 

2171 

16 


Copying    and    Enlarging 

Cameras        .           -           - 

217 

Daylight  Enlarging  Cameras 

2174 

Enlarging  Cameras     - 

217 

Field  Cameras 

212 

Film  Pack  Cameras    - 

214 

"Home  Cinematograph" 

Cameras 

315 

Miscellaneous  Cameras 

219 

Multiple  Cameras 

2116 

One  Exposure  Mirror  Cameras 

for  Color  Work 

K2116 

Panoram  Cameras 

2156 

Photo-Engraving  Cameras    - 

216 

Photostats 

2172 

Plate  Cine  Cameras    - 

317 

Plate  Hand  Cameras 

213 

Reflex  Cameras 

2131 

Roll  Film  Cameras 

215 

RoUFilm Cameras  with  Attach- 

ment for  Writing  on  Film 

2163 

Sliding   Back   Cameras  for 

Color  Work 

K2114 

Stereoscopic  Cameras 

218 

Stereoscopic    Cameras    for 

Color  Work 

K218 

Studio  Cameras  for  Color  Work 

K211 

Studio  Taking  Cameras 

211 

Cameras  in   which   Developing 

and  Fixing  can  be  Performed 

2193 

Camera  Stands 

261 

Carbon  Color  Methods 

K/82 

Carbon  Papers    - 

1321 

Carbon  Process 

/83 

Casein  for  Emulsions     - 

1422 

Cellulose   Acetate   and    Other 

Fatty  Esters    - 

1513 

Cellulose  Derivatives  Other  than 

Nitrate  and  Acetate    - 

1614 

Cellulose  Formate  Film 

126 

Cellulose  Nitrate 

1512 

Cellulose   Product  Film  Other 

than   Acetate,    Viscose   and 

Cellulose  Formate 

124 

Cellulose  Varnishes 

1693 

Chemicals            ... 

15 

Chemicals,  Developing 

153 

Chemicals,     Fixing    and 

Hardening 

154 

Chemicals,    Intensifying   and 

Reducing      -           -           - 

155 

Chemicals  used  in  Making 

Emulsions    -           -           - 

152 

Chemicals  used  in  Making 

Film  Base    -           -           - 

161 

Chemicals,  Sundry     - 

169 

Chemicals,  Toning 

150 

Chlorides  used  in  Making  Emul- 

sion      ...           - 

1523 

Chromium  Intensifiers 

1653 

Cine   Additive   Projection   by 

Persistence  of  Vision 

K/24 

Cine  Additive  Projection  Simul- 

taneously            -        - 

K/23 

Cine  After  Processes 

0634 

Cine  Apparatus 

3 

Cine  Arcs 

3207 

Cine  Camera  Accessories 

36 

Cine  Camera,  Ordinary 

312 

Cine  Camera  Parts 

316 

Cine  Camera  Stands 

613 

Cine  Camera  Work 

0631 

Cine  Cleaning  Machines 

387 

Cine  Color  Camera 

K31 

Cine  Color  Projectors     - 

K32 

Cine  Condensers 

3205 

Cine  Continuous  Machines   for 

Developing       .           -           - 

353 

Cine  Continuous  Printers 

342 

Cine  Continuous  Projectors 

322 

Cine  Developing 

0632 

Cine  Developing  Apparatus 

35 

Cine  Developing  Reels 

351 

Cine  Developing  Tanks 

352 

Cine  Drying        .           .           - 

0636 

Cine  Drying  Wheels  and  Racks 

358 

Cine  Feeding  Device  (Camera) 

3101 

Cine  Film 

1212 

Cine  Film  Boxes  (Camera) 

3104 

Cine  Finders 

364 

Cine  Finishing  Apparatus  (Sten- 

cils, Toning,  etc.) 

38 

Cine  Fixing         .           -           - 

0633 

Cine  Gates  (Camera) 

3102 

Cine  Gates  (Projectors) 

3202 

Cine  Hand  Cameras 

313 

Cine  Home  Cameras 

315 

Cine  Home  Projectors 

325 

Cine  Illuminating  Systems 

3205 

Cine  Intermittent  Projectors     - 

321 

Cine  Joining  Devices 

386 

Cine  Lenses         -           -           - 

363 

Cine  Lenses  for  Color  Work 

K363 

Cine  Lens  Holder 

3106 

Cine  Miscellaneous  Cameras 

319 

Cine  Perforating 

0641 

Cine     and     Phonographic 

Methods,  Combination  of 

069 

Cine  Plate  Projectors     - 

327 

Cine  Positive  Developing 

0643 

Cine  Positive  Drying 

0647 

17 


Cine  Positive  Fixing 

0644 

Cine  Positive  Making    - 

064 

Cine  Positive  Printing    - 

0642 

Cine   Positive    Stenciling   and 

Coloring 

0648 

Cine  Positive  Titling,  As- 

sembling, Varnishing,  Clean- 

ing- 

0649 

Cine  Positive  Toning  and  Tinting 

0645 

Cine  Positive  Washing 

0646 

Cine  Printers  for  Very  Insensi- 

tive Materials  (Print  Out) 

346 

Cine  Printing  Apparatus 

34 

Cine  Piojection  Lenses 

3639 

Cine  Projection  Printers 

345 

Cine  Projection  Reels     - 

3204 

Cine  Projection  Screens 

324 

Cine  Projection  Systems 

3206 

Cine  Projectors 

32 

Cine  Projectors,   Feeding   De- 

vices    -           -           -           - 

3201 

Cine   Projectors  with  Speaking 

Attachment      -            -            - 

323 

Cine  Projectors  for  Stereoscopic 

Projection 

326 

Cine  Racks          ... 

354 

Cine  Safety  Devices  for  Projectors 

3209 

Cine  Screens  for  Projection 

324 

Cine  Screen   Unit    Process   of 

Color  Photography 

i«;y34 

Cine  Shutters  (Camera) 

3103 

Cine  Shutters  (Projectors) 

3203 

Cine    Stage  Arrangements  and 

Acting              ... 

062 

Cine  Stage  Fittings 

37 

Cine  Stage   Lighting   Arrange- 

ments 

374 

Cine  Stage  Scenery 

371 

Cine  Stencil  Coloring  Machines 

383 

Cine  Studio  Arrangements 

061 

Cine  Taking 

063 

Cine  Taking  Cameras     - 

31 

Cine  Theater  Arrangements 

066 

Cine  Varnishing  Machines 

384 

Cine  Washing     - 

0635 

Cine  Washing  Apparatus 

356 

Cine  Windups  (Camera) 

3108 

Cine  Windups  (Projectors) 

3208 

Cine,  X-Ray 

X06 

Cleaning  Cine  Positives 

0649 

Cleaning  and  Glazing  Solutions 

1699 

Cleaning  Machines,  Cine 

387 

Coating   Additions   in    Making 

Emulsions 

1528 

Coating   Emulflion   on  Support 

D 

Collodion  Emulsion  Process      -  /64 
Collodion  Emulsion  Processes  of 

Color  Photography  -  -  K/64 
Collodion  for  Emulsions  -  1423 
Collodion  Paper  -  -  134 
Collodion,  Wet,  Process  -  /63 
Collotype  Process  of  Photo- 
Engraving  -  -  -  0724 
Color  Applied  to  Scientific  Pho- 
tography -  -  -  K09 
Color  Cameras  -  -  -  K21 
Color  Cine  Apparatus  -  -  K3 
Color  Cine  Camera  -  -  K31 
Color  Cinematography  -  K06 
Color  Cine  Projection  -  -  K067 
Color  Cme  Projectors  -  -  K32 
Color  Cine  Stage  Design,  etc.  -  K062 
Color  Contrast  Photography  -  0662 
Color  Hand  Cameras,  Plate  -  K213 
Coloring  Cine  Film  -  -  0648 
Coloring  Prints  -  -  L5 
Color  Photography  -  -  K 
Color   Photography,    ^\niateur 

Work                -            -            -  K02 

Color  Photography,   Apparatus  K2 

Color  Photography,  Applied      -  K08 
Color  Photography,  Bichromate 

Processes  .  .  -  K/8 
Color  Photograpny,  Iron  Pro- 
cesses -  -  -  K/7 
Color  Photography,  Stereoscopic  K043 
Color  Photography,  Theory  of  KOI 
Color  Photography,  Use  of  Arti- 
ficial Light  in  -  -  K058 
Color  Photomicrographs  -  K094 
Color  Portraiture  -  -  K031 
Color  Projectors  -  -  K22 
Color  Sensitive  Materials,  Photo- 
graphy with  -  -  -  056 
Color  Sensitiveness  -  -  018 
Color  Work,  Filters  for  -  K266 
Commercial  Piiotography  -  032 
Compensating  Filters  -  -  2664 
Compensating  Filters  for  Color 

Work                -            -            -  K2664 

Composing  and  Focusing           -  Fl 

Condensers  for  Projectors          -  2233 

Condensers  for  Projectors,  Cine  3206 

Contrast  Filters               -            -  2663 

Copy  Holders      -            -            -  2177 

Copying               -            -            -  057 

Copyright,  Photographic           -  0335 

Cotton     -           -           -           -  1411 

Criminal  and  Legal  Photography  082 


18 


Curve  Recording 
Cut  Film  Holders 
Cut  Film  Holders  for  use  in  De- 
veloping Tank 
Cutting  Reducers,  (Farmer's,  etc. ) 

Daguerreotype  Process  - 

Dark  Cabinets,  Portable 

Dark  Room  Lamps  for  Develop- 
ing       - 

Dark  Room  Operations  in  Photo- 
Engraving       ... 

Daylight  Loading  Holders  for 
Single  Plates  or  Films 

Daylight  Printing 

Decalcomanie  Process  of  Photo- 
Engraving        -  .  - 

Decoration,  Photographic 

Defects    -  -  -  - 

Developing  ... 

Developing  Accessories 

Developing  Apparatus 

Developing  Apparatus,  Cine     - 

Developing  Chemicals    - 

Developing  Cine  Negatives 

Developing  Cine  Positives 

Developing,  Continuous  Ma- 
chines for        - 

Developing  Film  Tanks 

Developing  and  Fixing   Prints 

Developing  Plate  Tanks 

Developing  Solutions 

Developing  Thermostats 

Development,  Special  Methodsof 

Development,  Stand 

Development,  Tentative 

Development,  Theory  of 

Development,  Time 

Dextrin  Pastes    -  -  - 

Diaphragm  Shutters 

Diaphragms,  Iris 

Dispatching  and  Packing  Sun- 
dries    -  -  -  - 

Dispersion  Process  of  Color 
Photography 

Documentary  Photography 

Dopes,  Film  Base 

Drying     -  -  -  - 

Drying  Cine  Negatives 

Drying  Cine  Positives    - 

Drying  Negative  Apparatus 

Drying  Prints      -  -  - 

Drying  Wheels  and  Racks,  Cine 

Duplicate  Negatives,  Making    - 


091 

Dyes         -           -           - 

- 

158 

2657 

Dye  Sensitizers 

- 

1581 

Dyes  for  Filters 

- 

1682 

2543 

1655 

Easels      -           -           - 

- 

2176 

Electric  Arc  Lamps 

- 

2321 

/61 

Electric  Filament  Lamps 

- 

2322 

259 

Electric  Light 

- 

232 

Electrotyping 

- 

0736 

255 

Emulsion,     Manufacture 

of 

C 

Emulsion  Materials 

. 

142 

07003 

Emulsions 

- 

162 

Emulsions,    Chemicals  used 

in 

2658 

Making 

- 

152 

Jl 

Enamels,  Photographic 

- 

047 

Enlargers 

- 

222 

0725 

Enlargers,  Accessories  for 

- 

223 

048 

Enlarging 

- 

046 

041 

Esters,  Cellulose 

- 

1513 

G 

Etching  in  Photo-Engraving 

- 

07006 

251 

Exposure,  Determination  of 

- 

F5 

25 

Exposure,  Making  the 

- 

F6 

35 

Exposure  Reckoners  and  Meters 

268 

153 

Exposure,  Theory  of 

- 

014 

0632 

0643 

Farmer's  Reducer 

- 

1655 

253 

Feeding  Devices,  Cine  Camera 

3101 

254 

Feeding  Devices,  Cine  Projector 

3201 

J4 

Ferroprussiate  Paper 

- 

1313 

252 

Ferrotype  Plates 

- 

117 

163 

Filament  Lamps 

- 

2322 

2914 

Fihng  Sundries,  Studio 

- 

274 

G5 

Fillers  for  Film  - 

- 

1617 

G4 

Fihn 

- 

12 

G2 

Fibn  Base  Chemicals 

- 

151 

017 

Film  Base  Solutions  (Dopes) 

- 

161 

G3 

Film  Boxes,  Cine  (Camera) 

- 

3104 

1696 

Film,  Cellulose  Acetate 

- 

122 

2623 

Film,  Cellulose  Formate 

- 

126 

2629 

Film,  Cine 

- 

1212 

Film,  Fihn  Pack 

- 

1215 

289 

Film,  Flat 

- 

1213 

Film,  Gelatine    - 

- 

126 

K/53 

Film,  Nitro 

- 

121 

081 

Fihn  Pack  Adapters 

- 

2655 

161 

Film  Pack  Film 

- 

1215 

H3 

Film  Pack  Holders 

- 

2655 

0636 

Film  Pack  Tanks  for  Developing 

2542 

0647 

Film,  Roll 

- 

1211 

258 

Film  Sale   and  Hire   Arrange- 

J9 

ments  in  Cinematography 

- 

065 

368 

Film  Spools 

- 

2653 

G9 

Film  Tanks  for  Developing 

- 

254 

19 


Film,  Viscose 

Films,  X-Ray 

Filter  Holders     - 

Filters      -  -  -  - 

Filters  for  Color  Work 

Filters,  Compensating   - 

Filters,  Contrast 

Filters,  Graded 

Filters,  Orthochromatic 

Finders,  Cine      -  -  - 

Finders,  Focusing 

Finders,  View     -  -  - 

Finishing  Apparatus  (Stencils, 

Toning,  etc. )  Cine 
Finishing  IMaterials  and  Colors 

used  in  Printing 
Finishing    in   Photo-Engraving 
Finishing  of  a  Sensitized  Material 
Fish  Glue 
Fish  Glue  Process 
Fixing  Chemicals 
Fixing  Cine  Negatives 
Fixing  Cine  Positives     - 
Fixing   and   Developing  Prints 
Fixing  Negatives 
Fixing  Solutions 
Flash-Light  Apparatus  - 
Flash-Light  Powders 
Flash-Light  Work 
Flat  Film 

Focal  Plane  Shutters 
Focusing   Devices    (Racks)   for 

Cameras  ... 

Focusing  Finders 
Focusing  Hoods,  etc. 
Focusing  Scales 

Frames    -  -  -  - 

Framing  Prints 
Framing  Sundries 
Fronts,  Camera 
Furniture,  Studio 


Gas  Lamps  -  .  . 

Gaslight  Developing  Out  Paper 
Gates,  Cine  Camera 
Gates,  Cine  Projector     - 
Grelatine  Base  Film 
Gelatine  for  Emulsion 
Gelatino-Bromide    Emulsion 
Process  ... 

Glass        -  .  .  . 

Glazing  and  Cleaning  Solutions 
Graded  Filters    ... 


123 

Graph   Processes  of  Photo-En- 

1214 

graving 

0726 

2668 

Gum  Bichromate  Process 

/88 

266 

irOAft 

Gums       .... 

1572 

ivzoo 
2664 

2663 

Half- Tone  Grain  Relief  Process 

2662 

of  Photo-Engraving 

0734 

2661 

Half-Tone  Screen   Process   of 

364 

Photo  Engraving 

0733 

2645 

Hand  Camera  Work 

024 

264 

Hand  Photogravure 

0712 

Hardening  Chemicals     - 

1543 

38 

Heliography        ... 

0963 

High  Speed  Photography 

064 

246 

)7007 

Holders,  Cut  Film 

Holders,   DayHght  Loading  for 

2657 

E 

Single  Plates  or  Films 

2658 

1574 

Holders,  Film  Pack 

2655 

/86 

Holders,  Filter 

2668 

1541 

Holders,  Material 

265 

0633 

Holders,  Material,  in  which  De- 

0644 

velopment  can  be  Performed 

J4 

(Combined   Material  Holders 

G6 

and  Developing  Tanks) 

2659 

164 

Holders,  Plate    - 

2651 

231 

Holders,  Roll      - 

2654 

1592 

Home  Cine  Projectors 

325 

0581 

Home  Portraiture 

0313 

1213 

Hurter  &  Driffield  Theory  and 

2624 

Sensitiveness  of  Materials 

015 

2102 

2645 

2106 

267 

286 

N5 

287 

2103 

271 


233 

136 

3102 

3202 

126 

1421 

/66 
1413 
1669 
2662 


Illuminating  Systems,  Cine  Pro- 
jectors             ...  3205 
Imbibition   Process   of  Color 

Photography  -  -  K/44 
Indoor  Work,  Amateur  -  023 
Intaglio  Processes  of  Photo-En- 
graving -  -  -  071 
Intensifiers,  Chromium  -  1653 
Intensifiers,  Mercury  -  -  1661 
Intensifiers     and     Reducers 

(Photographic  Solutions)       -  165 

Intensifiers,  Silver          -            -  1652 

Intensifying         ...  H2 

Intensifying  Chemicals               -  1551 
Interference   Process    of    Color 

Photography  .  .  -  K/1 
Iodides  used  in  Making  Emul- 
sions ...  -  1524 
Iron  Gallate  Process  -  -  /72 
Iron  Papers  ...  131 
Iron  Processes     ...  /7 


Iron  Proceesee  of  Color  Photog- 

raphy 

K/7 

Iron  Sahs 

1576 

Iron  Salta  as  Developers 

15311 

Iron  Silver  Paper 

1312 

Joining  Devices,  Cine    - 

386 

Kallitype  Process 

/74 

Kromskop  Additive  Subjective 

Process             ... 

K/22 

Kromskops         .           .           - 

K225 

Lamp  Houses  for  Projectors     - 

2232 

Lamps,  Dark  Room 

255 

Lamps,  Filament 

2322 

Lamps,  Gas         .           .           - 

233 

Landscape  Work,  Amateur 

021 

Lantern  Accessories 

223 

Lantern  Plates    -           -           - 

112 

Lantern  Slide  Making 

045 

Lanterns,  Optical 

221 

Latent   Image   and   Theory   of 

Exposure         ... 

014 

Legal   and  Criminal  Photogra- 

phy- 

082 

Lens    Carrying    Boards    for 

Cameras           ... 

2103 

Lenses      .... 

263 

Lenses,  Anastigmats 

2634 

Lenses,  Cine        ... 

363 

Lenses,  Cine  Color 

K363 

Lenses,  Cine  Projection 

3639 

Lenses,   Cine  Special   Speed 

Lenses              .           .           - 

3632 

Lenses,  Cine  Standard 

3631 

Lenses  for  Color  Work 

K263 

Lenses,  Portrait 

2638 

Lenses,  Process 

2635 

Lenses,  Projection 

2639 

Lenses,  Single     - 

2631 

Lenses,    Single  Cemented   Ele- 

ments (Meniscus  Achromats) 

2632 

Lenses,  Special  —  Use  of 

F3 

Lenses,   Symmetrical    Doublets 

2633 

Lenses,  Telephoto 

2637 

Lenses,  Wide  Angle 

2636 

Lens  Holders  for  Cine  Cameras 

3106 

Lighting               ... 

0314 

Lighting    Arrangements,    Cine 

374 

Light    Measuring    Photometers 

2682 

Light    Sensitive    Substances, 

Miscellaneous 

/9 

Light  Sources,  Projectors 

2231 

Light  Sources,  Standard            -  2911 
Line  Etching  Process  of  Photo- 
Engraving        -           -           -  0732 
Line,  Regular,  Screc'n  Unit  Pro- 
cess      -            -           .           .  K/31 
Lippmann  Process  of  Color  Pho- 
tography         -           -           -  K/51 
Lithography        ...  0721 
Loading  Camera  with  Material  F2 

Machine   Photogravure             -  0713 

Machine              ...  j^ 

Magazines,  Plate            -           -  2652 

Magazines,  Cine  Film    -           -  3204 

Manufacture  of  Any  Article      -  A 
Masks    and    Border    Negatives 

used  in  Printing  -  -  243 
Material  Holders  -  -  265 
Material  Holders  in  which  De- 
velopment can  be  Performed  2659 
Materials  for  Color  Photography  Kl 
Materials,  Miscellaneous  -  29 
Materials,  Photographic  -  1 
Materials,  Raw  -  -  14 
Medical  and  Surgical  Photogra- 
phy -  -  -  -  097 
Mercury  Intensifiers  -  -  1651 
Metagelatine  ...  1575 
Metallography  ...  0945 
Meters,  Exposure  -  -  268 
Microphotography  -  -  0947 
Military  Photography  -  -  083 
Millboard  for  Packing  -  1432 
Mirror  Camera,  One  Exposure  K2116 
Mirror  Moving,  Camera  -  K2115 
Miscellaneous  Materials  -  29 
Mounting  ...  Nl 
Mounting  Machines  -  -  285 
Mounting  Pastes  and  Tissues  -  284 
Mounting  in  Photo -Engraving  07008 
Mounting  Sundries  -  -  28 
Mounts  -  -  -  -  283 
Mucilages  -  -  -  1697 
Multicolor  INIethods  -  -  K/56 
Multiplying  Devices  (For  Taking 
Several  Pictures  on  One  Plate)  2108 

Nature  Photography      -           -  098 

Negative  Drying  Apparatus      -  258 

Negative  Retouching      -           -  LI 

Negatives,   After  Treatment   of  H 

Night  Photograi)hy         -            -  0582 

Nitrate  Dope       -            -            -  1612 

Nitrate  Film        -           -           -  121 

Non-Halation  Plates      -           -  115 


n 


Offset  Process  of  Photo-Engrav- 
ing       -           -           -           -  0723 
Oil,  Bromoil  and  Oil  Transfer 

Processes          ...  /89 

Opaques               -           -           -  1698 
Operations,  Photographic  (Con- 
sidered   in    Light    of   Result 

Produced)        .            -            -  04 
Operations,   Photographic    (In- 
volving Special  Apparatus  or 

Conditions)      ...  05 

Optical  Lanterns             -            -  221 

Optics,  Photographic      -            -  019 

Ordinary  Plates               -            -  111 

Orthochromatic  Filters               -  2661 

Orthochromatic  Photography    -  0561 

Orthochromatic  Plates               -  113 

Ozobrome  Paper              -            -  1323 

Ozobrome  Process           -            -  /84 

Ozobrome  Solutions        -            -  1673 

Ozotype  Process              -           -  /83 

Ozotype  Solutions           -           -  1672 

Packing  and  Finishing  of  Sensi- 
tized Material  for  Market      -  E 
Packing  IMaterials          -           -  143 
Packing  Sundries            -            -  289 
Panchromatic   Cine  Fihn   for 

Color  Work     -            -            -  K1212 

Panchromatic  Plates       -            -  114 

Panoramic  Wide  Angle   Work  051 

Paper       -            -            -            -  1412 

Paper  for  Packing          -            -  1431 

Paper,  Sensitized            -            -  13 
Paper    Storage     Boxes     and 

Cabinets           -            -            -  244 

Pastes       -           -           -           -  169 

Paste,  Starch      -           -           -  1695 

Perforating  in  Cinematography  0641 

Perforators           ...  33 

Permanganate    Reducers,    etc.  1656 

Persulphate  Reducers,  etc.        -  1657 
Phenols  as  Reducing  Agents  in 

Developing  -  -  -  15313 
Phonographic  Methods,  Com- 
bination of  Cine  and  -  069 
Photo-Electricity  -  -  Oil 
Photo-Engraving  -  -  07 
Photo -Engraving  CameraOpera- 

tion       ...            -  07002 

Photo-Engraving  Copy    Boards  2166 
Photo-Engraving    Dark    Room 

Operations       -           -           -  07003 

Photo-Engraving,  Etching        -  07006 


Photo-Engraving,    Mixed   Pro- 
cesses of  -  -  - 
Photo-Engraving,     Preparation 

of  the  Original 
Photo-Engraving,     Preparation 

of  the  Printing  Surface 
Photo-Engraving,  Proving  and 

Printing  ... 

Photo-Engraving,  Re-Etching 

and  Finishing 
Photo-Engraving,  Routing  and 

Mounting         .  .  - 

Photo-Engraving  Stands 
Photo-Engraving,  Transference 

of  the  Image  to  the  Printing 

Surface 
Photography,  Theory  of 
Photolithography 
Photometers,  Light   Measuring 

(Exposure)       ... 
Photometers,  Sensitometric 
Photometry         ... 
Photomicrography 

Bacteria  ... 

Dark  Field  Illumination 

Sections  ... 

Very  Low  Power  Work 
Photo-Sculpture 
Photo- Sensitive  Materials 
Photostat  Paper 
Phototelegraphy 
Pinachromy 

Pinatype  Dyes    -  -  . 

Pinatype  Paper 

Pinatype  Plates  for  Color  Work 
Pinatype  Process 
Plate  Holders      ... 
Plates      .  .  -  - 

Plates,  Ferrotype 
Plates,  Lantern 
Plates,  Non-Halation     - 
Plates,  Ordinary 
Plates,  Orthochromatic 
Plates,  Panchromatic     - 
Plates,  Process 
Plates,  X-Ray     - 
Plate  Tanks  used  in  Developing 
Platinum  Paper 

Platinum    and  Platinum   Salts 
Platinum  Process 
Platinum  Silver  Process 
POP  Toning   Bath  Chemicals 
POP  Toning  Baths 
Portable  Dark  Cabinets 


074 

07001 

07004 

07009 

07007 

07008 
2618 


07005 

01 

0722 

2682 

2915 

093 

094 

0944 

0943 

0942 

0941 

044 

012 

1373 

087 

K/94 

1583 

1322 

K1322 

/85 

2651 

11 

117 

112 

115 

111 

113 

114 

118 

116 

252 

1311 

1579 

/73 

/75 

1565 

1665 

259 


22 


Portrait   and    Figure   Work. 

Amateur 

022 

Portrait  Liuis(^8 

2638 

Portraiture 

031 

Portraiture  by  Artificial   Light 

0583 

Portraiture,  Color 

K031 

Posing  and  Lighting 

0314 

Position  Kecording  Methods 

092 

Positive  Making  in  Cinemato- 

graphy 

064 

Powder  Process 

/87 

Preparation  of  the  Original  in 

Photo-Engraving 

07001 

Preparation   of   the   Printing 

Surface   in    Photo-Engraving 

07004 

Preservatives  for  Developers 

1532 

Preservatives   for  Fixing  Bath 

1542 

Preservatives   used   in    Making 

Emulsions        ... 

1527 

Press  Photography 

033 

Primuline  Methods  of  Color 

Photography 

K/95 

Print  Drying 

J9 

Printers  Cine,  Continuous 

342 

Printers  Cine,  Projection 

345 

Printers  Cine,  Step 

341 

Printers    for    Very    Insensitive 

Materials,  (Printout) 

346 

Printing 

J 

Printing  Apparatus 

24 

Printing  Apparatus,  Cine 

34 

Printing  Cine  Positives  - 

0642 

Printing,  Daylight 

Jl 

Printing  D OP     - 

.13 

Printing  Frames 

242 

Printing   Frames    for    Photo- 

Engraving 

248 

Printing   Machines   for   D  0  P 

241 

Printing  Out  by  Artificial  Light 

J2 

Printing  Out  Images — Theory  of 

013 

Printing  Out  Paper 

135 

Printing   Out   Silver    Processes 

/68 

Printing  in  Photo-Engraving    - 

07009 

Print  Toning       -            -             . 

J8 

Print  Washers     -            -            - 

257 

Print  Washing     -            -            - 

J6 

Prism  Cameras  for  Color  Photo- 

graphy 

K2117 

Process  Lenses    - 

2635 

Process  Plates 

118 

Professional  Photography 

03 

Projecting  and  Viewing  Appar- 

atus     -           -           -           . 

22 

Projection,  Cinematograph 

067 

Projection  Lenses            -           -  2639 
Projection  Screens          -           -  224 
Projectors,  Cine              -           -  32 
Projectors,  Cine  Plate    -           -  327 
Projectors  for  Color  Photogra- 
phy      -           -           .           -  K22 
Projectors,  Continuous  Cine      -  322 
Projectors,    ' '  Home  Cinemato- 
graph"            -           -           -  325 
Projectors,  Intermittent  Cine    -  321 
Projectors  with  Speaking  Attach- 
ment (Cine)     -           -           -  323 
Projectors  for  Stereoscopic  Pro- 
jection (Cine)              -            -  326 
Proving  in  Photo-Engraving     -  07009 

Racks  (Focusing  Devices)  -  2102 
Radial  Velocity  Determinations  0965 
Radiographic  Photography  -  X 
Radiography,  Stereoscopic  -  X043 
Raw  Materials  -  -  14 
Reception  Room  Arrangements 
and  Work — Professional  Pho- 
tography -  -  -  0312 
Reckoners,  Exposure  -  -  268 
Recording,  Photographic  (Met«r 

Reading,  etc. )             -           -  086 

Record  Photography      -            -  085 

Recovery  of  Chemicals               -  P5 
Recovery  of  Gold  and  Platinum 

Wastes  -  -  -  P2 
Recovery  of  Silver  Wastes  -  PI 
Recovery  of  Wastes  and  Econo- 
mies ...  p 
Redeveloping  Chemicals  -  15(53 
Reducers  ...  i65 
Reducers,  Cutting  -  -  1655 
Reducers,  Flattening  -  -  1657 
Reducers,  True  Scale  -  -  1656 
Reducing  -  -  -  HI 
Reducing  Agents  used  in  De- 
veloping          -           -           -  1531 

Reducing  Chemicals  (Oxidizers)  1555 

Re-Etching  in  Photo-Engraving  07007 

Reflectors,  Studio           -           -  273 
Registering  Screen  Unit  Plates 

in  Color  Photography  -  K/37 
Relief  Processes  of  Photo-En- 
graving -  -  -  073 
Resolving  Power  -  -  014 
Restoring  Faded  Prints  -  L7 
Restrainers  for  Developing  -  1534 
Retouching  of  Negatives  -  LI 
Retouching  Sundries  -  -  275 
Retouching  Varnishes    -           -  1692 


23 


Reversing  Negative  to  Positive 

08 

Roentgen  Photography 

X 

Roller  Blind  Shutters     - 

2622 

Roll  Film 

1211 

Roll  Film  Tanks  for  Developing 

2541 

RoU  Holders 

2654 

Routing  in  Photo- Engraving     - 

07008 

Safelights 

2555 

Safety   Devices   for   Cine    Pro- 

jectors 

3209 

Scenery,  Cine 

371 

Scientific  Photography 

09 

Screens,  Focusing 

2106 

Screens,  Projection 

224 

Screens,  Projection  (Cine) 

324 

Screen  Unit  Paper  Process 

K/35 

Screen  Unit  Plates,  Methods  of 

Registering       -            -            - 

K/37 

Screen  Unit  Process 

K/3 

Screen  Unit  Process,  Cine 

K/34 

Screen  Unit  Process,   Irregular 

Grain  in            -            -            - 

K/33 

Screen    Unit   Process,    Regular 

Dot  or  Pattern 

K/32 

Screen   Unit    Process,    Regular 

Line      -            -            .            - 

K/31 

Seebeck  Process  (Direct  Hello - 

chrome)            ... 

/K52 

Self-Toning  Printing  Out  Paper 

1355 

Sensitiveness  of  Materials  and 

H.  &  D.  Theory 

015 

Sensitized  Paper  Processes  ( Calo- 

type,  etc. )        - 

/62 

Sensitizers           ... 

1581 

Sensitometers      -           .           . 

2912 

Sensitometric  Apparatus 

291 

Sensitometric  Tablets 

2913 

Sensitometry,  Practical 

016 

Shutter  Operators 

2626 

Shutters 

262 

Shutters,  Cine  (Camera) 

3103 

Shutters,  Cine  Projector 

3203 

Shutters,  Diaphragm 

2623 

Shutters,  Focal  Plane    - 

2624 

Shutters,  Roller  Blind 

2622 

Shutters,  Special  —  Use  of 

F4 

Shutters,  Studio 

2621 

Silver  Intensifiers 

1652 

Silver  Processes 

/6 

Silver  Salts  used  in  making 

Emulsions 

1521 

Single  Lenses 

2631 

Slide  Changing  Devices 

2235 

Slide  Holders  for  Projectors 

2234 

Solutions 

16 

Solutions,  Compounding  the     - 

Gl 

Solvents 

1516 

Spectrography     ... 

096 

Spectroheliography 

0964 

' '  Spirit  Photography ' ' 

088 

Spirit  Soluble  Dyes 

1584 

Spotting,  etc. ,  of  Prints 

L3 

Stabilizers 

1518 

Stage  Accessories,  Cine 

372 

Stage  Fittings,  Cine 

3i 

Stain  Removers 

1544 

Standard  Light  Sources 

2911 

Stands,  Cine  Camera 

361 

Stands,  Folding  Tripod 

2612 

Stands,  Metal  Tripod     - 

2613 

Stands,  Miscellaneous  Supports 

2614 

Stands,  Photo-Engraving 

2618 

Stands,  Studio    - 

2611 

Starch  Pastes 

1695 

Steel  Engraving 

0714 

Stencil  Coloring  Machines,  Cine 

383 

Stenciling    in    Cinematography 

0648 

Stereoscopes        ... 

227 

Stereoscopic  Cinematography    - 

068 

Stereoscopic  Color  Cameras 

K218 

Stereoscopic  Color  Photography 

K043 

Stereoscopic  Photography 

043 

Stei-eoscopic  Projectors 

228 

Stereoscopic    Projectors    (Cine) 

326 

Stereoscopic  Radiography 

X043 

Stripping 

H4 

Stripping  Film    -            -            - 

127 

Studio  Arrangements  for  Cme- 

matography 

061 

Studio  Backgrounds 

272 

Studio  Camera  Stands 

2611 

Studio  Design  and  Business 

0311 

Studio  Filing  Sundries 

274 

Studio  Furniture 

271 

Studio  Reception  Room  Arrange- 

ments and  Work 

0312 

Studio  Reflectors 

273 

Studio  Shutters 

2621 

Studio  Sundries 

27 

Subjective     Additive     Color 

Process    (Kromskop) 

K/22 

Subtractive    Cinematographic 

Color  Process 

K/43 

Subtractive  Color   Prints   from 

Screen  Plates 

K/45 

Subtractive  Color  Processes 

K/4 

Subtractive    Color    Processes, 

Multiple  Color   Prints,   Con- 

tained in  One  Layer    - 

K/44 

Subtractive  Color  Processes, 
Superposed  Films  on  Opaque 
Support  ... 

Subtractive  Color  Processes, 
Superposed  Transparencies    - 

Sulphiding  Baths 

Support,  Manufacture  of  for 
Sensitized  Materials    - 

Support  Materials 

Surface  Processes  of  Photo-En- 
graving 

Surfacing  Prints 

Surgical  Photography     - 

Surveying,  Photographic 

Tanks,  Film 

Tanks,  Film  Pack 

Tanks,  Plate 

Tanks,  Roll  Film 

Telemeters  ... 

Telephotography 

Telephoto  Lenses 

Theater  Arrangements  for  Cine 

Theory  of  Development 

Theory  of  Exposure  and  Latent 
Image  ... 

Theory  of  Photography 

Thermostats,  Developing 

Tinfoil  for  Packing 

Titling  and  Assembling  Positive 
Cines    -  -  - 

Titling  Negatives 

Toning  by  Colored  Oxidation 
Products 

Toning  by  Dye  Deposition 

Toning  by  IMetallic  Salts 

Toning  by  Metals  (Gold,  Plati- 
num, etc.) 

Toning  by  Sulphur,  Selenium, 
Tellurium  Compounds 

Toning  by  Various  Forms  of 
Silver  Deposit 

Toning  Bath  Chemicals 

Toning  Chemicals 

Toning  Prints 

Toning  Solutions 

Toning  and  Tinting  Cine  Film 

Transfer  Bromide  Paper 

Transference  of  the  Image  to 
the  Printing  Surface  in  Photo- 
Engraving        ... 

Transparencies    - 

Transparency  Holders 

Trimming  Knives   and   Shapes 


Trimming  Machines.  .'-.  .  •  •;- 
True  Scale  Reducers  (Perman- 
K/42         ganate,  etc.)    - 


K/41 
1663 

B 

141 

072 
L6 

097 
084 

254 

2542 

252 

2541 
267 
052 

2637 
066 
017 

014 

01 

2914 

1433 

0649 
H6 

J87 
J88 
J82 

J81 

J84 

J83 
1565 

156 
J8 

166 
0645 
1375 


07005 
049 

288 
282 


Varnishes  .  .  . 

Varnishes,  Cellulose 
Varnishes,  Negative 
Varnishing  Film 
Varnishing  Machines,  Cine 
Varnishing  Negatives    - 
Varnishing  Prints 
View  Finders      ... 
Viewing  Apparatus  for  Trans- 
parencies ... 
Viewing  and  Projecting  Appar- 


1656 


1693 
1691 
0649 
384 
H5 
I^ 
264 

225 


atus      ...            - 

22 

Vignetters           ... 

2107 

Viscose    ...           - 

1515 

Viscose  Film 

123 

Washers  for  Plates  and  Films 

256 

Washera,  Print 

257 

Washing  Cine  Negatives 

0635 

Washing  Cine  Positives 

0646 

Washing  Negatives 

G7 

Washing,  Print 

J6 

Wet  Collodion  Process 

/63 

Wide  Angle  Lenses 

2636 

Wide  Angle  Work 

051 

Windups  for  Cine  Cameras 

3108 

Windups  for  Cine  Projectors     - 

3208 

Woodburytype  Process 

0716 

Wood  Engraving 

0731 

Wood  Pulp 

1411 

Working  Up  Negatives 

L2 

Working  Up  Prints 

L4 

X-Ray  Apparatus  and  Sundries  X4 
X-Ray,  Apparatus  for  the  Gen- 
eration of         -           -           -  X41 
X-Ray,     Apparatus    for    the 

Measurement  of  -  -  X43 
X-Ray  Apparatus  for  the  Use  of  X42 
X-Ray  Cinematography  -  X06 
X-Ray  Couches  -  -  X422 
X-Ray,  Current  Measuring  In- 
struments for  -  -  X431 
X-Ray  Developing  -  -  X6 
X-Ray  Examination  of  Frac- 
tures -  -  -  -  X0972 
X-Ray  Exposing  -  -  XF6 
X-Ray  Film  -  -  -  XI 2 
X-Ray  Film  Holders      -            -  X423 


26 


X-Ray  FFu'oro&copfes  'arid 
Fluorescent  Screens    -  -        X425 

X-Ray,  General  Diagnosis  of 
Pathological  Conditions  by    -       X0973 

X-Ray,    Hardness    Measuring 

Instruments  for  -  -         X433 

X-Ray,  High  Tension  Rectifiers 


for        - 

X415 

X-Ray  Induction  Coils 

X413 

X-Ray  Intensifying  Screens 

X424 

X-Ray  Interrupters 

X414 

X-Ray  Localizing  Devices 

X443 

X-Ray,  LocalizingForeignBodies 

by         -           -           -           - 

X0971 

X-Ray  in  Medicine 

X097 

X-Ray  Negative  Illuminators   - 

X441 

X-Ray  Paper      -            -            . 

X13 

X-Ray  Plate  Holders     - 

X423 

X-Ray  Plates      -           -           -  X116 
X-Ray  Potential  Measuring  In- 
strument         -           -           -  X432 
X-Ray  Protective  Shields,  etc.  X421 
X-Ray    Quantity   Measuring 

Instruments     -            -            -  X434 

X-Ray  Spectrometers     -            -  X435 

X-Ray  Static  Machines              -  X412 

X-Ray  Stereoscopes        -           -  X442 

X-Ray  Sundry  Apparatus          -  X44 

X-Ray  in  Surgery           -            -  X097 
X-Ray,    Theory   of   Action    on 

Sensitized  Material      -            -  XOl 

X-Ray  Transformers      -           -  X411 

X-Ray  Treatment           -           -  X0974 

X-Ray  Tubes      -           -           -  X416 

X-Ray  Tube  Stands       -           -  X417 


26 


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